7138015 has 16 divisors (see below), whose sum is σ = 9083520. Its totient is φ = 5369760.

The previous prime is 7138009. The next prime is 7138039. The reversal of 7138015 is 5108317.

It is not a de Polignac number, because 7138015 - 2¹¹ = 7135967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21400 + ... + 21730.

It is an arithmetic number, because the mean of its divisors is an integer number (567720).

Almost surely, 2^7138015 is an apocalyptic number.

7138015 is a deficient number, since it is larger than the sum of its proper divisors (1945505).

7138015 is a wasteful number, since it uses less digits than its factorization.

7138015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7138015 is about 2671.7063835684. The cubic root of 7138015 is about 192.5421507743.

The spelling of 7138015 in words is "seven million, one hundred thirty-eight thousand, fifteen".